Black Hills (BKH) POSASR Automatic shelf registration (post-effective amendment)

Exhibit 23.2

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We consent to the use in this Post-Effective Amendment No. 1 to Registration Statement No. 333-150669 of our report dated March 17, 2009, relating to the financial statements and financial statement schedule of Black Hills Power, Inc., appearing in the Prospectus, which is a part of such Registration Statement, and to the reference to us under the heading “Experts” in such Prospectus.

/s/ Deloitte & Touche LLP

Minneapolis, MN

October 20, 2009